Air filter with four squarely-shaped filter cones



FIG. 1 is a perspective top view of an air filter with four squarely-shaped filter cones, according to the invention.

FIG. 2 is a side view of the present invention.

FIG. 3 is a top view of the present invention.

FIG. 4 is a bottom view of the present invention; and,

FIG. 5 is a perspective bottom view of the present invention. 

CLAIM The ornamental design for an air filter with four squarely-shaped filter cones, as shown and described. 